UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120810.upa.cvt Date: 1000Z 8 DEC 25 Searching for EG882... Searching the city database file for: EG882 ... Date:1000Z 8 DEC 25 Station: EG882 WMO ident: 3882 Latitude: 50.90 Longitude: 0.32 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1004 51 13.2 11.8 91 1.4 12.4 195 9 286.0 287.5 285.4 310.1 8.68 1 1000 84 13.0 11.7 92 1.3 12.3 240 12 286.1 287.7 285.4 310.2 8.66 2 925 735 8.8 6.0 83 2.8 7.3 245 34 288.3 289.4 283.9 306.3 6.34 3 850 1430 4.2 -0.8 70 5.0 1.9 235 36 290.5 291.3 282.5 302.8 4.24 4 700 2986 -4.5 -5.3 94 0.8 -4.8 250 53 297.5 298.2 284.8 308.5 3.68 5 500 5570 -19.7 -29.7 41 10.0 -21.5 250 58 309.0 309.1 285.8 311.2 0.65 6 400 7180 -31.9 -36.7 62 4.8 -32.4 245 91 313.5 313.6 287.1 315.0 0.41 7 300 9150 -48.7 -52.3 66 3.6 -48.8 250 103 316.7 316.7 287.8 317.1 0.10 8 250 10320 -58.5 -63.4 53 4.9 -58.6 255 115 319.1 319.1 288.5 319.2 0.03 9 228 10892 -63.6 -67.4 60 3.8 -63.6 255 116 319.9 319.9 288.7 320.0 0.02 10 213 11305 -67.3 -70.3 66 3.0 -67.3 260 107 320.4 320.4 288.9 320.4 0.01 11 200 11690 -61.3 -78.3 9 17.0 -61.4 255 76 335.7 335.7 293.2 335.7 0.00 12 150 13480 -60.5 -83.5 3 23.0 -60.7 250 58 365.9 365.9 299.8 365.9 0.00 13 100 16010 -59.7 -84.7 2 25.0 -60.0 275 36 412.4 412.4 306.8 412.4 0.00 TRP 213 11305 -67.3 -70.3 66 3.0 -67.3 260 107 320.4 320.4 288.9 320.4 0.01 WND 228 10892 -63.6 -67.4 60 3.8 -63.6 255 116 319.9 319.9 288.7 320.0 0.02 Sounding variables and indices 1000-500 mb thick: 5486.00 m Freezing level: 777.59 mb = 2181.17 m = 7155.99 ft Wetbulb zero: 807.82 mb = 1837.89 m = 6029.75 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 74.89 % Est. max temperature: 17.60 C = 63.69 F Sfc-Lift cond lev (LCL): 983.29 mb = 224.70 m = 737.20 ft T: 12.09 C 700-500 lapse rate: 5.88 C/km ThetaE index: 7.39 C Layer 925.0- 700.0 mb Conv cond level (CCL): 903.47 mb = 928.60 m = 3046.56 ft Mean mixing ratio: 7.22 g/kg Conv temperature: 16.12 C = 61.01 F Cap Strength: 0.85 C Lifted Index: 4.01 C Risk: None Lifted Index @300 mb: 6.53 C Lifted Index @700 mb: 0.72 C Showalter Index: 7.29 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 18.90 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 187.35 Risk: None Energy Index: 1.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.64 J/kg Max Up Vert Vel: 3.91 m/s Conv Inhibition (B-): 8787.95 J/kg Cap Strength: 3.95 C Lift Cond Lev (LCL): 923.18 mb = 751.22 m = 2464.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 36 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1004 51 195 9 2.3 8.7 | 112 36 -33.0 13.2 1 1000 84 240 12 10.4 6.0 | 113 27 -24.9 10.5 2 925 735 245 34 30.8 14.4 | 167 19 -4.5 18.9 3 850 1430 235 36 29.5 20.6 | 167 26 -5.8 25.2 4 700 2986 250 53 49.8 18.1 | 213 27 14.5 22.6 5 500 5570 250 58 54.5 19.8 | 218 31 19.2 24.4 6 400 7180 245 91 82.5 38.5 | 228 64 47.2 43.0 7 300 9150 250 103 96.8 35.2 | 237 73 61.5 39.7 8 250 10320 255 115 111.1 29.8 | 246 83 75.8 34.3 9 228 10892 255 116 112.0 30.0 | 246 84 76.8 34.5 10 213 11305 260 107 105.4 18.6 | 252 74 70.1 23.1 11 200 11690 255 76 73.4 19.7 | 238 45 38.1 24.2 12 150 13480 250 58 54.5 19.8 | 218 31 19.2 24.4 13 100 16010 275 36 35.9 -3.1 | 203 1 0.6 1.4 Wind Parameters Mean winds (0-6000m): 247.3 at 47.4 knts Storm direction: 277.3 at 35.6 knts Shear (0-3000m) pos: 7.1 neg: 1.8 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 101.0 deg Storm rel helicity (0-3000m) pos: 264.8 neg: -0.4 tot: 264.5 m^2/s^2 ave: 88.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 7.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 106.15 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 242 19 127 23| 23.5 0.0 23.5| 91.7 0.0 91.7 183.4 0.62| 24.5 15.2 1000 243 26 144 20| 11.7 3.8 15.5|125.1 0.0 125.1 125.1 0.65| 16.9 10.9 1500 241 29 153 21| 7.8 3.6 11.4|135.0 -0.4 134.6 89.8 0.60| 12.9 7.8 2000 240 32 160 22| 7.5 2.7 10.2|178.1 -0.4 177.8 88.9 0.66| 11.3 7.5 2500 241 35 167 22| 7.3 2.1 9.5|223.0 -0.4 222.7 89.1 0.70| 10.4 7.3 3000 243 38 175 22| 7.1 1.8 8.9|264.8 -0.4 264.5 88.2 0.73| 9.8 7.2 4000 245 42 187 22| 5.3 1.6 6.9|273.2 -0.4 272.8 68.2 0.73| 7.6 5.5 5000 247 45 194 23| 4.3 1.4 5.7|281.5 -0.4 281.2 56.2 0.72| 6.3 4.5 6000 247 47 200 24| 3.6 2.1 5.7|315.7 -0.4 315.4 52.6 0.66| 6.2 4.1 Wrote GIF file: /home/apache/climate/data/raob//EG882/skewt/EG882.skewt.20251208.10.gif